The Sharpie Pen Yagi Adapter

Came across this little adapter that changes a small dipole antenna into a slightly more powerful directional Yagi. This is not a new idea as there is the windsurfer and the overrated Pringles can. As I was interested to see how well it worked so I changed the measurements to suite a smaller boom as I thought a Sharpie pen would look cool.

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    hi there,

    how can i adapt your concept to my 5dbi (or 9dbi) dipole antenna? the wire antenna has a curl inside of it.